1CHN:
reference: Magnesium binding to the bacterial chemotaxis protein CheY results in large conformational changes involving its functional surface., Bellsolell L, Prieto J, Serrano L, Coll M, J Mol Biol 1994 May 13;238(4):489-95. PMID: 8176739

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).